Device for measuring heart rate



FIG. 1 is a side elevational view of the device for measuring heart rateof my new design, the other side being a mirror image thereof;

FIG. 2 is an end view of the device for measuring heart rate;

FIG. 3 is a bottom perspective view of the device for measuring heartrate;

FIG. 4 is a top plan view of a device for measuring heart rate; and,

FIG. 5 is a bottom view of the device for measuring heart rate.

The broken lines in the drawing views illustrate unclaimed portions ofthe device for measuring heart rate and form no part of the claimeddesign.

CLAIM The ornamental design for a device for measuring heart rate, asshown and described.